Gnostric on Nostr: #[0] Regarding NIP-12, I need a way of enforcing a filter on a key, i.e. the ...

Cameri (npub1qqq…n47m)  Regarding NIP-12, I need a way of enforcing a filter on a key, i.e. the subscription fails if a filter isn't set on key #z for instance.  Going to modify Nostream to this end, any interest in pulling a feature like this?